package com.example.demo.enums;

import lombok.Getter;

import java.util.Arrays;

@Getter
public enum BookStatusEnum {
    DELETED(0,"删除"),
    NORMAL(1,"可借阅"),
    FORBIDDEN(2,"不可借阅");

    private Integer code;
    private String desc;

    BookStatusEnum(Integer code, String desc) {
        this.code = code;
        this.desc = desc;
    }

    public static BookStatusEnum getStatusByCode(Integer code){
//        可以使用if else 或者 switch 来实现, 在这里我们使用lambda表达式
//        if(code == 0){
//            return BookStatusEnum.DELETED;
//        }
        return Arrays.stream(BookStatusEnum.values()).filter(x -> x.getCode() == code).findFirst().get();
    }
}
